同义词
- gas helmet
- gasmask
- inhalator
词路径
- entity
- physical entity
- object
- physical object
- whole
- unit
- artifact
- artefact
- instrumentality
- instrumentation
- device
- breathing device
- breathing apparatus
- breathing machine
- ventilator
- respirator
- inhalator
上位词
- breathing apparatus
- breathing device
- breathing machine
- mask
- ventilator